isFunction
The isFunction function checks if the provided value is a function.
Syntax
typescript
isFunction(value: any): value is Function;Parameters
| Parameter | Type | Description |
|---|---|---|
value | any | Value to be checked |
Returns
| Type | Description |
|---|---|
boolean | True if it is a function |
Examples
typescript
isFunction(function() {}); // => true
isFunction(() => {}); // => true
isFunction(123); // => falseNotes
- Useful for validation before executing or applying functions.